A stem-tip inflorescence of Serruria aitonii may consist of a solitary flowerhead or up to ten flowerheads. Flowerhead peduncles may be 5 mm to 65 mm long, covered in soft hairs.
Flowering happens from midwinter to spring (Manning, 2007; Leistner, (Ed.), 2000; Bond and Goldblatt, 1984; iNaturalist; http://proteaatlas.org.za).